Features: 1.The binder is a sewing tool that can help create ribbon-like fabrics and hem and sew fabrics. 2.The kit contains 2 screws, which can be used to adjust the up and down position of the cloth outlet. 3.The 4?fold angle binder is used to secure the fabric, create indentations to bind and sew curved edges. 4.The width of the angle binder at the entrance of the edging device is 30mm, and the width of the exit molding is 8mm, which is accurate in size. 5.Bias binder is suitable for hemming of hem, cuff, neckline, etc. It is suitable for most industrial lockstitch sewing machines and household sewing machines. specification:Item Type: Angle Binder : 1 set Material: Iron Import Cloth Strip Width: Approx. 30mm / 1.2in Export Forming Width: Approx. 8mm / 0.3in Uses: Industrial Application: Most industrial flat cars and old-fashioned household sewing machines PackageList:1 x Angle Binder 2 x Screws